It is never pleasant to find out a sound you don’t know about, and which originates from your car. So, what if you spot an exhaust noise that is persistant on your Renault Grand Modus? It is highly possible that this is a small issue, however, before being sure, it is better to accomplish some verifications. Our team has made this to support you resolve it. First, we will look at the possible causes if you have a muffled exhaust sound on your Renault Grand Modus and second, if you have a metallic rattling noise on your Renault Grand Modus.
Muffled exhaust noise Renault Grand Modus
Exhaust pipe with holes Renault Grand Modus
Having a muffled sound from its exhaust is not insignificant and can end up in over-consumption, or a malfunction of the engine unit, which could in time become dirty, for example. If you have an exhaust noise on your Renault Grand Modus, it is possible that it is due to a crack in the exhaust pipe, this is the most typical explanation. In order to confirm this, position somebody under the running motor car and accelerate to help them determine the source of the hole. Once found, if it is not too large you can cold seal it with specific metallic mastic type legs. Otherwise, the section will have to be replaced.
Element dislocated exhaust pipe Renault Grand Modus
The other possibility of being suffering from a muffled exhaust noise on Renault Grand Modus is to have a part of the exhaust unit that has dislocated resulting from vibrations for example. In fact some junctions of the different parts of the pot can loosen over time and induce an exhaust gas leak in places not intended for this goal. These fumes will then create a loud noise. Same technique as above, we go under the Renault Grand Modus to discern the issue area, and tighten or replace the bolts. If you hear a muffled sound but after checking it doesn’t seem to come from the pot itself, consider taking a look at this article which gives solutions gives solutions about rear end noises on Renault Grand Modus.
Metal rattling exhaust sound Renault Grand Modus
Damaged exhaust muffler noise Renault Grand Modus
If, alternatively, you are subject to an exhaust sound that is more of a metallic type, it is possible that one or more parts of your exhaust may be weakened. Indeed, it is conceivable that either your baffles, the catalyst or the silencer are the reason of this noise. To confirm, go under your Renault Grand Modus, cold, and tap each of the previously stated parts with a hammer to discern the source of the noise. You should move things between things in the problematic part, if they are baffles, you can try to push the section a little bit to try to block them and thus limit their movements. If it is a out of date catalyst, it will be necessary to consider swapping it, as well as the silencer. In this case, to stop the exhaust noise on your Renault Grand Modus, you will either have to find a used one and do it yourself, or go to your technician.
Metal rattling exhaust noise Renault Grand Modus : Silentblock, loose pot
Finally, a metallic exhaust noise on your Renault Grand Modus may be related to a poor attachment of your exhaust to your car. In fact, after some time, vibrations, the pot fasteners on the car chassis can come off. In this case, you need to verify, when cold, that the pot holds well, to try to get it to move in different directions and watch how it responds. Backwards there should be some play and be able to move but not too much. The closer you get to the engine motor, the more fixed it should be. Visually verify the fasteners for which you have doubts. Finally, it is possible that a silentbloc may have died . In this case it will have to be replaced.
